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• Specification: Note: This electrical fan motor is new-open box, some motors have scratches, nevertheless it would not impression usage If you mind it, please buy with warning Note: The DC brushless motor is equipped with a drive board It is exactly forbidden to attach the advantageous and damaging poles of the power supply The purple line is attached to the superb pole and the black line is hooked up to the detrimental pole If the connection is wrong, the power board will burn out 1 Fan outdoors diameter: 55mm 2 Maximum length: 71 3 Air inlet: 21 four Line length: about one hundred mm 5 Rated Voltage: DC 21 Current: nine Power: 2 hundred W 6 Voltage: DC 18V Current: 10 Power: 2 hundred W 7 Voltage: DC 24V Current: eight Power: 200 W Package List: Motor x 1PCS The leads for this brushless motor are two thick and four thin wires (if here's wrong, please level it out, thanks!) The thick crimson twine is hooked up to the high quality terminal and the thick black cord is hooked up to the unfavorable terminal The 4 thin wires are defined as follows: Thin crimson wire: GND (connected to the thick black wire, is the destructive pole) Thin black line: EN (start line) Thin yellow line: PWM Thin green line: FG (hanging with out wiring on it) If this motor is just to run at most speed, then the thick red twine is hooked up to the fine pole, the thick black wire is connected to the unfavourable pole, and (thin black cord + skinny yellow wire) is attached in parallel with a 50K resistor (complimentary when putting an order) connected to the effective pole, and the fan will run at maximum speed If you would like PWM velocity control, then the thick purple wire is hooked up to the tremendous pole, the thick black twine is connected to the destructive pole, (thin black twine + skinny yellow wire) related in parallel to the PWM signal, the damaging pole of the PWM sign should also be connected in parallel to the GND, yet listen in on the prejudice voltage of the PWM signal to be greater than 0, so that with an obligation cycle of 20-99% would be positive in controlling the rate The thick purple twine is hooked up to the positive terminal, and the thick black cord is connected to the unfavourable terminal, and different power with varied obligation cycles at a measured voltage of 21: 20% Current 1 A 40% Current 3 A 60% Current 5 A 80% Current eight A 99% Current 9 A

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